CSS Color level 4 & 5

Parsing

• allow async node visitors
• adding declaration parsing helper async parseDeclarations(source: string): Promise<AstDeclarations[]>

CSS Color level 4

• lch()
• oklch()
• lab()
• oklab()
• color()

CSS Color level 5

• color-mix()
• relative color

What's Changed

• V0.3.0 by @tbela99 in #25

Full Changelog: v0.3.0...v0.4.0